Home / 7,109,992,002.20-9,929,500,001.80-7,109,992,002.20

Finding the Fourth Proportional to 7,109,992,002.20, 9,929,500,001.80 and 7,109,992,002.20

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Solution

The fourth proportional to 7,109,992,002.20, 9,929,500,001.80 and 7,109,992,002.20 is: 9,929,500,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,992,002.20 : 9,929,500,001.80 = 7,109,992,002.20 : x
  2. Step 2: Convert to fraction form
    7,109,992,002.20/9,929,500,001.80 = 7,109,992,002.20/x
  3. Step 3: Cross multiply
    7,109,992,002.20x = 9,929,500,001.80 × 7,109,992,002.20
  4. Step 4: Simplify right side
    7,109,992,002.20x = 70,598,665,598,642,880,512
  5. Step 5: Solve for x
    x = 70,598,665,598,642,880,512/7,109,992,002.20
  6. Step 6: Final answer
    x = 9,929,500,001.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.